| smart city solutions reduce time wasted | 0.72 | 0.5 | 9117 | 39 | 71 |
| the city smart waste | 0.61 | 0.7 | 5954 | 20 | 8 |
| smart city problems and solutions | 1.72 | 0.3 | 6504 | 33 | 32 |
| smart city waste management | 0.35 | 0.1 | 3004 | 27 | 52 |
| smart city waste management system | 1.92 | 0.1 | 268 | 34 | 43 |
| solution for smart city | 1.3 | 0.7 | 3256 | 23 | 38 |
| waste management in smart cities | 2 | 0.2 | 2123 | 32 | 99 |
| smart waste management in smart cities | 0.52 | 0.5 | 5933 | 38 | 4 |
| what are smart city solutions | 0.09 | 1 | 5655 | 29 | 11 |
| smart city waste management system using iot | 1.62 | 0.7 | 7361 | 44 | 14 |
| garbage management system for smart city | 0.83 | 0.5 | 8392 | 40 | 57 |
| iot based waste management for smart city | 1.43 | 0.1 | 4109 | 41 | 79 |
| software for managing a smart city | 1.46 | 0.5 | 1344 | 34 | 7 |
| smart city and technology | 0.79 | 0.7 | 4140 | 25 | 77 |
| smart city and the applications | 1.14 | 0.2 | 6778 | 31 | 13 |
| how smart city works | 0.06 | 0.9 | 6358 | 20 | 11 |
| smart city solutions company | 1.51 | 0.1 | 1941 | 28 | 23 |
| smart city using smart tools | 1.4 | 0.1 | 8526 | 28 | 95 |
| smart solutions for smart cities | 0.45 | 1 | 662 | 32 | 24 |
| integrated waste management for a smart city | 1.03 | 0.5 | 4586 | 44 | 54 |
| the benefit of smart city | 0.26 | 0.7 | 7487 | 25 | 2 |
| problems in smart city | 1.7 | 0.3 | 6824 | 22 | 2 |
| smart city and sustainability | 0.52 | 0.2 | 6618 | 29 | 59 |
